Sunscreen Bird Feeder / Eden GreenThese Sunscreen bird feeders are designed specifically to hold sunflower seeds, which birds can access through the holes in steel screens on each side. The screens are designed to rest between 3 steel rods running through each side of the piece. The screens sit on top of the middle rod, and below the other two, thus holding them in place. The steel rods serve a dual purpose since they also function as perches for birds. The Sunscreen bird feeders are